diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3351ff8..28db2f4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -53,5 +53,13 @@ jobs:
         run: |
           go run cmd/gh-setup/main.go --repo k1LoW/gh-setup
           gh-setup -v
+        shell: bash
+
+      - name: Run setup as a action (1/2)
+        uses: ./
+        with:
+          repo: k1LoW/tbls
 
+      - name: Run setup as a action (2/2)
+        run: tbls version
         shell: bash
diff --git a/scripts/install-gh-setup.sh b/scripts/install-gh-setup.sh
index 264b4f2..856d6fa 100644
--- a/scripts/install-gh-setup.sh
+++ b/scripts/install-gh-setup.sh
@@ -2,6 +2,9 @@
 set -e
 
 token=${GH_SETUP_GITHUB_TOKEN}
+if [ -z "${token}" ]; then
+  token=${GITHUB_TOKEN}
+fi
 repo="k1LoW/gh-setup"
 tag="$(curl -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${token}" https://api.github.com/repos/${repo}/releases/latest | grep tag_name | awk -F':' '{print $2}' | awk -F'\"' '{print $2}')"
 arch="$(uname -m)"
diff --git a/scripts/run-gh-setup.sh b/scripts/run-gh-setup.sh
index 6f0a5ee..67701b0 100644
--- a/scripts/run-gh-setup.sh
+++ b/scripts/run-gh-setup.sh
@@ -3,6 +3,9 @@ set -e
 
 bin=${GH_SETUP_BIN}
 token=${GH_SETUP_GITHUB_TOKEN}
+if [ -z "${token}" ]; then
+  token=${GITHUB_TOKEN}
+fi
 repo=${GH_SETUP_REPO}
 bindir=${GH_SETUP_BIN_DIR}
 force=${GH_SETUP_FORCE}